linux/sound/pci/riptide/riptide.c
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   1/*
   2 *   Driver for the Conexant Riptide Soundchip
   3 *
   4 *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 *
  20 */
  21/*
  22  History:
  23   - 02/15/2004 first release
  24   
  25  This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
  26  credits from the original files:
  27  
  28  MODULE NAME:        cnxt_rt.h                       
  29  AUTHOR:             K. Lazarev  (Transcribed by KNL)
  30  HISTORY:         Major Revision               Date        By
  31            -----------------------------     --------     -----
  32            Created                           02/1/2000     KNL
  33
  34  MODULE NAME:     int_mdl.c                       
  35  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  36  HISTORY:         Major Revision               Date        By
  37            -----------------------------     --------     -----
  38            Created                           10/01/99      KNL
  39            
  40  MODULE NAME:        riptide.h                       
  41  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  42  HISTORY:         Major Revision               Date        By
  43            -----------------------------     --------     -----
  44            Created                           10/16/97      OLD
  45
  46  MODULE NAME:        Rp_Cmdif.cpp                       
  47  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  48                      K. Lazarev    (Transcribed by KNL)
  49  HISTORY:         Major Revision               Date        By
  50            -----------------------------     --------     -----
  51            Adopted from NT4 driver            6/22/99      OLD
  52            Ported to Linux                    9/01/99      KNL
  53
  54  MODULE NAME:        rt_hw.c                       
  55  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  56                      C. Lazarev    (Transcribed by CNL)
  57  HISTORY:         Major Revision               Date        By
  58            -----------------------------     --------     -----
  59            Created                           11/18/97      OLD
  60            Hardware functions for RipTide    11/24/97      CNL
  61            (ES1) are coded
  62            Hardware functions for RipTide    12/24/97      CNL
  63            (A0) are coded
  64            Hardware functions for RipTide    03/20/98      CNL
  65            (A1) are coded
  66            Boot loader is included           05/07/98      CNL
  67            Redesigned for WDM                07/27/98      CNL
  68            Redesigned for Linux              09/01/99      CNL
  69
  70  MODULE NAME:        rt_hw.h
  71  AUTHOR:             C. Lazarev    (Transcribed by CNL)
  72  HISTORY:         Major Revision               Date        By
  73            -----------------------------     --------     -----
  74            Created                           11/18/97      CNL
  75
  76  MODULE NAME:     rt_mdl.c                       
  77  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  78  HISTORY:         Major Revision               Date        By
  79            -----------------------------     --------     -----
  80            Created                           10/01/99      KNL
  81
  82  MODULE NAME:        mixer.h                        
  83  AUTHOR:             K. Kenney
  84  HISTORY:         Major Revision                   Date          By
  85            -----------------------------          --------     -----
  86            Created from MS W95 Sample             11/28/95      KRS
  87            RipTide                                10/15/97      KRS
  88            Adopted for Windows NT driver          01/20/98      CNL
  89*/
  90
  91#include <linux/delay.h>
  92#include <linux/init.h>
  93#include <linux/interrupt.h>
  94#include <linux/pci.h>
  95#include <linux/slab.h>
  96#include <linux/wait.h>
  97#include <linux/gameport.h>
  98#include <linux/device.h>
  99#include <linux/firmware.h>
 100#include <asm/io.h>
 101#include <sound/core.h>
 102#include <sound/info.h>
 103#include <sound/control.h>
 104#include <sound/pcm.h>
 105#include <sound/pcm_params.h>
 106#include <sound/ac97_codec.h>
 107#include <sound/mpu401.h>
 108#include <sound/opl3.h>
 109#include <sound/initval.h>
 110
 111#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
 112#define SUPPORT_JOYSTICK 1
 113#endif
 114
 115MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
 116MODULE_DESCRIPTION("riptide");
 117MODULE_LICENSE("GPL");
 118MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
 119MODULE_FIRMWARE("riptide.hex");
 120
 121static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 122static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 123static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
 124
 125#ifdef SUPPORT_JOYSTICK
 126static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
 127#endif
 128static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
 129static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
 130
 131module_param_array(index, int, NULL, 0444);
 132MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
 133module_param_array(id, charp, NULL, 0444);
 134MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
 135module_param_array(enable, bool, NULL, 0444);
 136MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
 137#ifdef SUPPORT_JOYSTICK
 138module_param_array(joystick_port, int, NULL, 0444);
 139MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
 140#endif
 141module_param_array(mpu_port, int, NULL, 0444);
 142MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
 143module_param_array(opl3_port, int, NULL, 0444);
 144MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
 145
 146/*
 147 */
 148
 149#define MPU401_HW_RIPTIDE MPU401_HW_MPU401
 150#define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
 151
 152#define PCI_EXT_CapId       0x40
 153#define PCI_EXT_NextCapPrt  0x41
 154#define PCI_EXT_PWMC        0x42
 155#define PCI_EXT_PWSCR       0x44
 156#define PCI_EXT_Data00      0x46
 157#define PCI_EXT_PMSCR_BSE   0x47
 158#define PCI_EXT_SB_Base     0x48
 159#define PCI_EXT_FM_Base     0x4a
 160#define PCI_EXT_MPU_Base    0x4C
 161#define PCI_EXT_Game_Base   0x4E
 162#define PCI_EXT_Legacy_Mask 0x50
 163#define PCI_EXT_AsicRev     0x52
 164#define PCI_EXT_Reserved3   0x53
 165
 166#define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
 167#define LEGACY_ENABLE_SB       0x4000
 168#define LEGACY_ENABLE_FM       0x2000
 169#define LEGACY_ENABLE_MPU_INT  0x1000
 170#define LEGACY_ENABLE_MPU      0x0800
 171#define LEGACY_ENABLE_GAMEPORT 0x0400
 172
 173#define MAX_WRITE_RETRY  10     /* cmd interface limits */
 174#define MAX_ERROR_COUNT  10
 175#define CMDIF_TIMEOUT    50000
 176#define RESET_TRIES      5
 177
 178#define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
 179#define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
 180
 181#define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
 182#define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
 183#define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
 184#define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
 185#define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
 186
 187#define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
 188#define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
 189#define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
 190#define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
 191#define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
 192#define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
 193#define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
 194#define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
 195#define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
 196#define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
 197#define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
 198#define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
 199#define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
 200#define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
 201#define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
 202#define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
 203#define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
 204#define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
 205#define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
 206#define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
 207#define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
 208#define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
 209#define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
 210#define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
 211#define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
 212#define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
 213#define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
 214#define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
 215#define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
 216#define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
 217#define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
 218#define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
 219#define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
 220#define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
 221
 222#define RESP 0x00000001         /* command flags */
 223#define PARM 0x00000002
 224#define CMDA 0x00000004
 225#define CMDB 0x00000008
 226#define NILL 0x00000000
 227
 228#define LONG0(a)   ((u32)a)     /* shifts and masks */
 229#define BYTE0(a)   (LONG0(a)&0xff)
 230#define BYTE1(a)   (BYTE0(a)<<8)
 231#define BYTE2(a)   (BYTE0(a)<<16)
 232#define BYTE3(a)   (BYTE0(a)<<24)
 233#define WORD0(a)   (LONG0(a)&0xffff)
 234#define WORD1(a)   (WORD0(a)<<8)
 235#define WORD2(a)   (WORD0(a)<<16)
 236#define TRINIB0(a) (LONG0(a)&0xffffff)
 237#define TRINIB1(a) (TRINIB0(a)<<8)
 238
 239#define RET(a)     ((union cmdret *)(a))
 240
 241#define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
 242#define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
 243#define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
 244#define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
 245#define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
 246#define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 247#define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 248#define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
 249#define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
 250#define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
 251#define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
 252#define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
 253#define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
 254#define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
 255#define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
 256#define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))   /* set sample format at mixer */
 257#define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
 258#define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
 259#define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
 260#define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
 261#define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
 262#define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
 263#define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))   /* select paths for internal connections */
 264#define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
 265#define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
 266#define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
 267#define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
 268#define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))      /* set digital mixer */
 269#define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
 270#define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
 271#define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
 272#define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
 273#define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
 274#define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
 275#define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
 276#define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
 277
 278#define EOB_STATUS         0x80000000   /* status flags : block boundary */
 279#define EOS_STATUS         0x40000000   /*              : stoppped */
 280#define EOC_STATUS         0x20000000   /*              : stream end */
 281#define ERR_STATUS         0x10000000
 282#define EMPTY_STATUS       0x08000000
 283
 284#define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
 285#define IEOS_ENABLE        0x2
 286#define IEOC_ENABLE        0x4
 287#define RDONCE             0x8
 288#define DESC_MAX_MASK      0xff
 289
 290#define ST_PLAY  0x1            /* stream states */
 291#define ST_STOP  0x2
 292#define ST_PAUSE 0x4
 293
 294#define I2S_INTDEC     3        /* config for I2S link */
 295#define I2S_MERGER     0
 296#define I2S_SPLITTER   0
 297#define I2S_MIXER      7
 298#define I2S_RATE       44100
 299
 300#define MODEM_INTDEC   4        /* config for modem link */
 301#define MODEM_MERGER   3
 302#define MODEM_SPLITTER 0
 303#define MODEM_MIXER    11
 304
 305#define FM_INTDEC      3        /* config for FM/OPL3 link */
 306#define FM_MERGER      0
 307#define FM_SPLITTER    0
 308#define FM_MIXER       9
 309
 310#define SPLIT_PATH  0x80        /* path splitting flag */
 311
 312enum FIRMWARE {
 313        DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
 314        EXT_LIN_ADDR_REC,
 315};
 316
 317enum CMDS {
 318        GETV = 0x00, GETC, GUNS, SCID, RMEM =
 319            0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
 320            0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
 321            0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
 322            0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
 323            0x70, ARM_SETDPLL = 0x72,
 324};
 325
 326enum E1SOURCE {
 327        ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
 328        ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
 329        ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
 330        ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
 331        INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
 332        INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
 333        INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
 334        DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
 335        ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
 336        DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
 337        GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
 338        SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
 339        SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
 340        MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
 341};
 342
 343enum E2SINK {
 344        LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
 345        LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
 346        INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
 347        INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
 348        DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
 349        PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
 350        DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
 351        DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
 352        DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
 353        DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
 354        GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
 355        SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
 356        MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
 357        MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
 358};
 359
 360enum LBUS_SINK {
 361        LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
 362        LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
 363        LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
 364};
 365
 366enum RT_CHANNEL_IDS {
 367        M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
 368        DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
 369        M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
 370        CHANNEL_ID_COUNTER
 371};
 372
 373enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
 374
 375struct lbuspath {
 376        unsigned char *noconv;
 377        unsigned char *stereo;
 378        unsigned char *mono;
 379};
 380
 381struct cmdport {
 382        u32 data1;              /* cmd,param */
 383        u32 data2;              /* param */
 384        u32 stat;               /* status */
 385        u32 pad[5];
 386};
 387
 388struct riptideport {
 389        u32 audio_control;      /* status registers */
 390        u32 audio_status;
 391        u32 pad[2];
 392        struct cmdport port[2]; /* command ports */
 393};
 394
 395struct cmdif {
 396        struct riptideport *hwport;
 397        spinlock_t lock;
 398        unsigned int cmdcnt;    /* cmd statistics */
 399        unsigned int cmdtime;
 400        unsigned int cmdtimemax;
 401        unsigned int cmdtimemin;
 402        unsigned int errcnt;
 403        int is_reset;
 404};
 405
 406struct riptide_firmware {
 407        u16 ASIC;
 408        u16 CODEC;
 409        u16 AUXDSP;
 410        u16 PROG;
 411};
 412
 413union cmdret {
 414        u8 retbytes[8];
 415        u16 retwords[4];
 416        u32 retlongs[2];
 417};
 418
 419union firmware_version {
 420        union cmdret ret;
 421        struct riptide_firmware firmware;
 422};
 423
 424#define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
 425
 426#define PLAYBACK_SUBSTREAMS 3
 427struct snd_riptide {
 428        struct snd_card *card;
 429        struct pci_dev *pci;
 430        const struct firmware *fw_entry;
 431
 432        struct cmdif *cif;
 433
 434        struct snd_pcm *pcm;
 435        struct snd_pcm *pcm_i2s;
 436        struct snd_rawmidi *rmidi;
 437        struct snd_opl3 *opl3;
 438        struct snd_ac97 *ac97;
 439        struct snd_ac97_bus *ac97_bus;
 440
 441        struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
 442        struct snd_pcm_substream *capture_substream;
 443
 444        int openstreams;
 445
 446        int irq;
 447        unsigned long port;
 448        unsigned short mpuaddr;
 449        unsigned short opladdr;
 450#ifdef SUPPORT_JOYSTICK
 451        unsigned short gameaddr;
 452#endif
 453        struct resource *res_port;
 454
 455        unsigned short device_id;
 456
 457        union firmware_version firmware;
 458
 459        spinlock_t lock;
 460        struct tasklet_struct riptide_tq;
 461        struct snd_info_entry *proc_entry;
 462
 463        unsigned long received_irqs;
 464        unsigned long handled_irqs;
 465#ifdef CONFIG_PM
 466        int in_suspend;
 467#endif
 468};
 469
 470struct sgd {                    /* scatter gather desriptor */
 471        u32 dwNextLink;
 472        u32 dwSegPtrPhys;
 473        u32 dwSegLen;
 474        u32 dwStat_Ctl;
 475};
 476
 477struct pcmhw {                  /* pcm descriptor */
 478        struct lbuspath paths;
 479        unsigned char *lbuspath;
 480        unsigned char source;
 481        unsigned char intdec[2];
 482        unsigned char mixer;
 483        unsigned char id;
 484        unsigned char state;
 485        unsigned int rate;
 486        unsigned int channels;
 487        snd_pcm_format_t format;
 488        struct snd_dma_buffer sgdlist;
 489        struct sgd *sgdbuf;
 490        unsigned int size;
 491        unsigned int pages;
 492        unsigned int oldpos;
 493        unsigned int pointer;
 494};
 495
 496#define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
 497
 498static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 499                   union cmdret *ret);
 500static int getsourcesink(struct cmdif *cif, unsigned char source,
 501                         unsigned char sink, unsigned char *a,
 502                         unsigned char *b);
 503static int snd_riptide_initialize(struct snd_riptide *chip);
 504static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
 505
 506/*
 507 */
 508
 509static struct pci_device_id snd_riptide_ids[] = {
 510        {
 511         .vendor = 0x127a,.device = 0x4310,
 512         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 513         },
 514        {
 515         .vendor = 0x127a,.device = 0x4320,
 516         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 517         },
 518        {
 519         .vendor = 0x127a,.device = 0x4330,
 520         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 521         },
 522        {
 523         .vendor = 0x127a,.device = 0x4340,
 524         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 525         },
 526        {0,},
 527};
 528
 529#ifdef SUPPORT_JOYSTICK
 530static struct pci_device_id snd_riptide_joystick_ids[] __devinitdata = {
 531        {
 532         .vendor = 0x127a,.device = 0x4312,
 533         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 534         },
 535        {
 536         .vendor = 0x127a,.device = 0x4322,
 537         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 538         },
 539        {.vendor = 0x127a,.device = 0x4332,
 540         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 541         },
 542        {.vendor = 0x127a,.device = 0x4342,
 543         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 544         },
 545        {0,},
 546};
 547#endif
 548
 549MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
 550
 551/*
 552 */
 553
 554static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
 555        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 556                                                                     LS_NONE2},
 557        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 558                                                                     LS_NONE2},
 559        {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
 560        {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
 561        {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
 562        {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
 563                                              LS_SRC_INTERPOLATORM},
 564        {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
 565                                              LS_SRC_INTERPOLATORM},
 566        {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
 567                                              LS_SRC_INTERPOLATORM},
 568        {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
 569        {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
 570        {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
 571                                                                LS_NONE2},
 572        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
 573        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 574        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 575        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 576        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 577        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 578        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 579        {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
 580                                                  LS_MIXER_GAIN_FUNCTION},
 581        {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
 582                                                  LS_MIXER_GAIN_FUNCTION},
 583        {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
 584        {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
 585        {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
 586        {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
 587        {MERGER1_OUT, LS_SRC_MERGER},
 588        {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
 589        {MERGER2_OUT, LS_SRC_MERGER},
 590        {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
 591                                                                     LS_NONE2},
 592};
 593
 594static unsigned char lbus_play_opl3[] = {
 595        DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
 596};
 597static unsigned char lbus_play_modem[] = {
 598        DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
 599};
 600static unsigned char lbus_play_i2s[] = {
 601        INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
 602};
 603static unsigned char lbus_play_out[] = {
 604        PDAC2ACLNK, 0xff
 605};
 606static unsigned char lbus_play_outhp[] = {
 607        HNDSPK2ACLNK, 0xff
 608};
 609static unsigned char lbus_play_noconv1[] = {
 610        DIGITAL_MIXER_IN0, 0xff
 611};
 612static unsigned char lbus_play_stereo1[] = {
 613        INTER0_IN, DIGITAL_MIXER_IN0, 0xff
 614};
 615static unsigned char lbus_play_mono1[] = {
 616        INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
 617};
 618static unsigned char lbus_play_noconv2[] = {
 619        DIGITAL_MIXER_IN1, 0xff
 620};
 621static unsigned char lbus_play_stereo2[] = {
 622        INTER1_IN, DIGITAL_MIXER_IN1, 0xff
 623};
 624static unsigned char lbus_play_mono2[] = {
 625        INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
 626};
 627static unsigned char lbus_play_noconv3[] = {
 628        DIGITAL_MIXER_IN2, 0xff
 629};
 630static unsigned char lbus_play_stereo3[] = {
 631        INTER2_IN, DIGITAL_MIXER_IN2, 0xff
 632};
 633static unsigned char lbus_play_mono3[] = {
 634        INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
 635};
 636static unsigned char lbus_rec_noconv1[] = {
 637        LBUS2ARM_FIFO5, 0xff
 638};
 639static unsigned char lbus_rec_stereo1[] = {
 640        DECIM0_IN, LBUS2ARM_FIFO5, 0xff
 641};
 642static unsigned char lbus_rec_mono1[] = {
 643        DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
 644};
 645
 646static unsigned char play_ids[] = { 4, 1, 2, };
 647static unsigned char play_sources[] = {
 648        ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
 649};
 650static struct lbuspath lbus_play_paths[] = {
 651        {
 652         .noconv = lbus_play_noconv1,
 653         .stereo = lbus_play_stereo1,
 654         .mono = lbus_play_mono1,
 655         },
 656        {
 657         .noconv = lbus_play_noconv2,
 658         .stereo = lbus_play_stereo2,
 659         .mono = lbus_play_mono2,
 660         },
 661        {
 662         .noconv = lbus_play_noconv3,
 663         .stereo = lbus_play_stereo3,
 664         .mono = lbus_play_mono3,
 665         },
 666};
 667static struct lbuspath lbus_rec_path = {
 668        .noconv = lbus_rec_noconv1,
 669        .stereo = lbus_rec_stereo1,
 670        .mono = lbus_rec_mono1,
 671};
 672
 673#define FIRMWARE_VERSIONS 1
 674static union firmware_version firmware_versions[] = {
 675        {
 676                .firmware = {
 677                        .ASIC = 3,
 678                        .CODEC = 2,
 679                        .AUXDSP = 3,
 680                        .PROG = 773,
 681                },
 682        },
 683};
 684
 685static u32 atoh(const unsigned char *in, unsigned int len)
 686{
 687        u32 sum = 0;
 688        unsigned int mult = 1;
 689        unsigned char c;
 690
 691        while (len) {
 692                c = in[len - 1];
 693                if ((c >= '0') && (c <= '9'))
 694                        sum += mult * (c - '0');
 695                else if ((c >= 'A') && (c <= 'F'))
 696                        sum += mult * (c - ('A' - 10));
 697                else if ((c >= 'a') && (c <= 'f'))
 698                        sum += mult * (c - ('a' - 10));
 699                mult *= 16;
 700                --len;
 701        }
 702        return sum;
 703}
 704
 705static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
 706{
 707        u32 addr;
 708        u32 data;
 709        u32 i;
 710        const unsigned char *p;
 711
 712        i = atoh(&in[1], 2);
 713        addr = offset + atoh(&in[3], 4);
 714        if (SEND_SMEM(cif, 0, addr) != 0)
 715                return -EACCES;
 716        p = in + 9;
 717        while (i) {
 718                data = atoh(p, 8);
 719                if (SEND_WMEM(cif, 2,
 720                              ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
 721                                                            >> 4)))
 722                        return -EACCES;
 723                i -= 4;
 724                p += 8;
 725        }
 726        return 0;
 727}
 728
 729static int loadfirmware(struct cmdif *cif, const unsigned char *img,
 730                        unsigned int size)
 731{
 732        const unsigned char *in;
 733        u32 laddr, saddr, t, val;
 734        int err = 0;
 735
 736        laddr = saddr = 0;
 737        while (size > 0 && err == 0) {
 738                in = img;
 739                if (in[0] == ':') {
 740                        t = atoh(&in[7], 2);
 741                        switch (t) {
 742                        case DATA_REC:
 743                                err = senddata(cif, in, laddr + saddr);
 744                                break;
 745                        case EXT_SEG_ADDR_REC:
 746                                saddr = atoh(&in[9], 4) << 4;
 747                                break;
 748                        case EXT_LIN_ADDR_REC:
 749                                laddr = atoh(&in[9], 4) << 16;
 750                                break;
 751                        case EXT_GOTO_CMD_REC:
 752                                val = atoh(&in[9], 8);
 753                                if (SEND_GOTO(cif, val) != 0)
 754                                        err = -EACCES;
 755                                break;
 756                        case EXT_END_OF_FILE:
 757                                size = 0;
 758                                break;
 759                        default:
 760                                break;
 761                        }
 762                        while (size > 0) {
 763                                size--;
 764                                if (*img++ == '\n')
 765                                        break;
 766                        }
 767                }
 768        }
 769        snd_printdd("load firmware return %d\n", err);
 770        return err;
 771}
 772
 773static void
 774alloclbuspath(struct cmdif *cif, unsigned char source,
 775              unsigned char *path, unsigned char *mixer, unsigned char *s)
 776{
 777        while (*path != 0xff) {
 778                unsigned char sink, type;
 779
 780                sink = *path & (~SPLIT_PATH);
 781                if (sink != E2SINK_MAX) {
 782                        snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
 783                        SEND_PSEL(cif, source, sink);
 784                        source = lbusin2out[sink][0];
 785                        type = lbusin2out[sink][1];
 786                        if (type == LS_MIXER_IN) {
 787                                if (mixer)
 788                                        *mixer = sink - DIGITAL_MIXER_IN0;
 789                        }
 790                        if (type == LS_SRC_DECIMATORM ||
 791                            type == LS_SRC_DECIMATOR ||
 792                            type == LS_SRC_INTERPOLATORM ||
 793                            type == LS_SRC_INTERPOLATOR) {
 794                                if (s) {
 795                                        if (s[0] != 0xff)
 796                                                s[1] = sink;
 797                                        else
 798                                                s[0] = sink;
 799                                }
 800                        }
 801                }
 802                if (*path++ & SPLIT_PATH) {
 803                        unsigned char *npath = path;
 804
 805                        while (*npath != 0xff)
 806                                npath++;
 807                        alloclbuspath(cif, source + 1, ++npath, mixer, s);
 808                }
 809        }
 810}
 811
 812static void
 813freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
 814{
 815        while (*path != 0xff) {
 816                unsigned char sink;
 817
 818                sink = *path & (~SPLIT_PATH);
 819                if (sink != E2SINK_MAX) {
 820                        snd_printdd("free path 0x%x->0x%x\n", source, sink);
 821                        SEND_PCLR(cif, source, sink);
 822                        source = lbusin2out[sink][0];
 823                }
 824                if (*path++ & SPLIT_PATH) {
 825                        unsigned char *npath = path;
 826
 827                        while (*npath != 0xff)
 828                                npath++;
 829                        freelbuspath(cif, source + 1, ++npath);
 830                }
 831        }
 832}
 833
 834static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
 835{
 836        union cmdret rptr = CMDRET_ZERO;
 837        unsigned int i = MAX_WRITE_RETRY;
 838        int flag = 1;
 839
 840        SEND_RMEM(cif, 0x02, addr, &rptr);
 841        rptr.retlongs[0] &= (~mask);
 842
 843        while (--i) {
 844                SEND_SMEM(cif, 0x01, addr);
 845                SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
 846                SEND_RMEM(cif, 0x02, addr, &rptr);
 847                if ((rptr.retlongs[0] & data) == data) {
 848                        flag = 0;
 849                        break;
 850                } else
 851                        rptr.retlongs[0] &= ~mask;
 852        }
 853        snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
 854                    flag);
 855        return flag;
 856}
 857
 858static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 859                   union cmdret *ret)
 860{
 861        int i, j;
 862        int err;
 863        unsigned int time = 0;
 864        unsigned long irqflags;
 865        struct riptideport *hwport;
 866        struct cmdport *cmdport = NULL;
 867
 868        if (snd_BUG_ON(!cif))
 869                return -EINVAL;
 870
 871        hwport = cif->hwport;
 872        if (cif->errcnt > MAX_ERROR_COUNT) {
 873                if (cif->is_reset) {
 874                        snd_printk(KERN_ERR
 875                                   "Riptide: Too many failed cmds, reinitializing\n");
 876                        if (riptide_reset(cif, NULL) == 0) {
 877                                cif->errcnt = 0;
 878                                return -EIO;
 879                        }
 880                }
 881                snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
 882                return -EINVAL;
 883        }
 884        if (ret) {
 885                ret->retlongs[0] = 0;
 886                ret->retlongs[1] = 0;
 887        }
 888        i = 0;
 889        spin_lock_irqsave(&cif->lock, irqflags);
 890        while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
 891                udelay(10);
 892        if (i >= CMDIF_TIMEOUT) {
 893                err = -EBUSY;
 894                goto errout;
 895        }
 896
 897        err = 0;
 898        for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
 899                cmdport = &(hwport->port[j % 2]);
 900                if (IS_DATF(cmdport)) { /* free pending data */
 901                        READ_PORT_ULONG(cmdport->data1);
 902                        READ_PORT_ULONG(cmdport->data2);
 903                }
 904                if (IS_CMDE(cmdport)) {
 905                        if (flags & PARM)       /* put data */
 906                                WRITE_PORT_ULONG(cmdport->data2, parm);
 907                        WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
 908                        if ((flags & RESP) && ret) {
 909                                while (!IS_DATF(cmdport) &&
 910                                       time++ < CMDIF_TIMEOUT)
 911                                        udelay(10);
 912                                if (time < CMDIF_TIMEOUT) {     /* read response */
 913                                        ret->retlongs[0] =
 914                                            READ_PORT_ULONG(cmdport->data1);
 915                                        ret->retlongs[1] =
 916                                            READ_PORT_ULONG(cmdport->data2);
 917                                } else {
 918                                        err = -ENOSYS;
 919                                        goto errout;
 920                                }
 921                        }
 922                        break;
 923                }
 924                udelay(20);
 925        }
 926        if (time == CMDIF_TIMEOUT) {
 927                err = -ENODATA;
 928                goto errout;
 929        }
 930        spin_unlock_irqrestore(&cif->lock, irqflags);
 931
 932        cif->cmdcnt++;          /* update command statistics */
 933        cif->cmdtime += time;
 934        if (time > cif->cmdtimemax)
 935                cif->cmdtimemax = time;
 936        if (time < cif->cmdtimemin)
 937                cif->cmdtimemin = time;
 938        if ((cif->cmdcnt) % 1000 == 0)
 939                snd_printdd
 940                    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
 941                     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
 942                     cif->cmdtimemax, cif->errcnt);
 943        return 0;
 944
 945      errout:
 946        cif->errcnt++;
 947        spin_unlock_irqrestore(&cif->lock, irqflags);
 948        snd_printdd
 949            ("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
 950             cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
 951             flags, cmd, parm, ret ? ret->retlongs[0] : 0,
 952             ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
 953             err);
 954        return err;
 955}
 956
 957static int
 958setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
 959{
 960        union cmdret rptr = CMDRET_ZERO;
 961        int i = 0;
 962
 963        snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
 964        do {
 965                SEND_SDGV(cif, num, num, rval, lval);
 966                SEND_RDGV(cif, num, num, &rptr);
 967                if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
 968                        return 0;
 969        } while (i++ < MAX_WRITE_RETRY);
 970        snd_printdd("sent mixer failed\n");
 971        return -EIO;
 972}
 973
 974static int getpaths(struct cmdif *cif, unsigned char *o)
 975{
 976        unsigned char src[E2SINK_MAX];
 977        unsigned char sink[E2SINK_MAX];
 978        int i, j = 0;
 979
 980        for (i = 0; i < E2SINK_MAX; i++) {
 981                getsourcesink(cif, i, i, &src[i], &sink[i]);
 982                if (sink[i] < E2SINK_MAX) {
 983                        o[j++] = sink[i];
 984                        o[j++] = i;
 985                }
 986        }
 987        return j;
 988}
 989
 990static int
 991getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
 992              unsigned char *a, unsigned char *b)
 993{
 994        union cmdret rptr = CMDRET_ZERO;
 995
 996        if (SEND_RSSV(cif, source, sink, &rptr) &&
 997            SEND_RSSV(cif, source, sink, &rptr))
 998                return -EIO;
 999        *a = rptr.retbytes[0];
1000        *b = rptr.retbytes[1];
1001        snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
1002        return 0;
1003}
1004
1005static int
1006getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1007{
1008        unsigned char *s;
1009        unsigned int p[2] = { 0, 0 };
1010        int i;
1011        union cmdret rptr = CMDRET_ZERO;
1012
1013        s = intdec;
1014        for (i = 0; i < 2; i++) {
1015                if (*s != 0xff) {
1016                        if (SEND_RSRC(cif, *s, &rptr) &&
1017                            SEND_RSRC(cif, *s, &rptr))
1018                                return -EIO;
1019                        p[i] += rptr.retwords[1];
1020                        p[i] *= rptr.retwords[2];
1021                        p[i] += rptr.retwords[3];
1022                        p[i] /= 65536;
1023                }
1024                s++;
1025        }
1026        if (p[0]) {
1027                if (p[1] != p[0])
1028                        snd_printdd("rates differ %d %d\n", p[0], p[1]);
1029                *rate = (unsigned int)p[0];
1030        } else
1031                *rate = (unsigned int)p[1];
1032        snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1033        return 0;
1034}
1035
1036static int
1037setsampleformat(struct cmdif *cif,
1038                unsigned char mixer, unsigned char id,
1039                unsigned char channels, unsigned char format)
1040{
1041        unsigned char w, ch, sig, order;
1042
1043        snd_printdd
1044            ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1045             mixer, id, channels, format);
1046        ch = channels == 1;
1047        w = snd_pcm_format_width(format) == 8;
1048        sig = snd_pcm_format_unsigned(format) != 0;
1049        order = snd_pcm_format_big_endian(format) != 0;
1050
1051        if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1052            SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1053                snd_printdd("setsampleformat failed\n");
1054                return -EIO;
1055        }
1056        return 0;
1057}
1058
1059static int
1060setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1061{
1062        u32 D, M, N;
1063        union cmdret rptr = CMDRET_ZERO;
1064        int i;
1065
1066        snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1067                    intdec[1], rate);
1068        D = 48000;
1069        M = ((rate == 48000) ? 47999 : rate) * 65536;
1070        N = M % D;
1071        M /= D;
1072        for (i = 0; i < 2; i++) {
1073                if (*intdec != 0xff) {
1074                        do {
1075                                SEND_SSRC(cif, *intdec, D, M, N);
1076                                SEND_RSRC(cif, *intdec, &rptr);
1077                        } while (rptr.retwords[1] != D &&
1078                                 rptr.retwords[2] != M &&
1079                                 rptr.retwords[3] != N &&
1080                                 i++ < MAX_WRITE_RETRY);
1081                        if (i == MAX_WRITE_RETRY) {
1082                                snd_printdd("sent samplerate %d: %d failed\n",
1083                                            *intdec, rate);
1084                                return -EIO;
1085                        }
1086                }
1087                intdec++;
1088        }
1089        return 0;
1090}
1091
1092static int
1093getmixer(struct cmdif *cif, short num, unsigned short *rval,
1094         unsigned short *lval)
1095{
1096        union cmdret rptr = CMDRET_ZERO;
1097
1098        if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1099                return -EIO;
1100        *rval = rptr.retwords[0];
1101        *lval = rptr.retwords[1];
1102        snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1103        return 0;
1104}
1105
1106static void riptide_handleirq(unsigned long dev_id)
1107{
1108        struct snd_riptide *chip = (void *)dev_id;
1109        struct cmdif *cif = chip->cif;
1110        struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1111        struct snd_pcm_runtime *runtime;
1112        struct pcmhw *data = NULL;
1113        unsigned int pos, period_bytes;
1114        struct sgd *c;
1115        int i, j;
1116        unsigned int flag;
1117
1118        if (!cif)
1119                return;
1120
1121        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1122                substream[i] = chip->playback_substream[i];
1123        substream[i] = chip->capture_substream;
1124        for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1125                if (substream[i] &&
1126                    (runtime = substream[i]->runtime) &&
1127                    (data = runtime->private_data) && data->state != ST_STOP) {
1128                        pos = 0;
1129                        for (j = 0; j < data->pages; j++) {
1130                                c = &data->sgdbuf[j];
1131                                flag = le32_to_cpu(c->dwStat_Ctl);
1132                                if (flag & EOB_STATUS)
1133                                        pos += le32_to_cpu(c->dwSegLen);
1134                                if (flag & EOC_STATUS)
1135                                        pos += le32_to_cpu(c->dwSegLen);
1136                                if ((flag & EOS_STATUS)
1137                                    && (data->state == ST_PLAY)) {
1138                                        data->state = ST_STOP;
1139                                        snd_printk(KERN_ERR
1140                                                   "Riptide: DMA stopped unexpectedly\n");
1141                                }
1142                                c->dwStat_Ctl =
1143                                    cpu_to_le32(flag &
1144                                                ~(EOS_STATUS | EOB_STATUS |
1145                                                  EOC_STATUS));
1146                        }
1147                        data->pointer += pos;
1148                        pos += data->oldpos;
1149                        if (data->state != ST_STOP) {
1150                                period_bytes =
1151                                    frames_to_bytes(runtime,
1152                                                    runtime->period_size);
1153                                snd_printdd
1154                                    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1155                                     READ_AUDIO_STATUS(cif->hwport),
1156                                     bytes_to_frames(runtime, pos),
1157                                     runtime->period_size);
1158                                j = 0;
1159                                if (pos >= period_bytes) {
1160                                        j++;
1161                                        while (pos >= period_bytes)
1162                                                pos -= period_bytes;
1163                                }
1164                                data->oldpos = pos;
1165                                if (j > 0)
1166                                        snd_pcm_period_elapsed(substream[i]);
1167                        }
1168                }
1169        }
1170}
1171
1172#ifdef CONFIG_PM
1173static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1174{
1175        struct snd_card *card = pci_get_drvdata(pci);
1176        struct snd_riptide *chip = card->private_data;
1177
1178        chip->in_suspend = 1;
1179        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1180        snd_pcm_suspend_all(chip->pcm);
1181        snd_ac97_suspend(chip->ac97);
1182        pci_disable_device(pci);
1183        pci_save_state(pci);
1184        pci_set_power_state(pci, pci_choose_state(pci, state));
1185        return 0;
1186}
1187
1188static int riptide_resume(struct pci_dev *pci)
1189{
1190        struct snd_card *card = pci_get_drvdata(pci);
1191        struct snd_riptide *chip = card->private_data;
1192
1193        pci_set_power_state(pci, PCI_D0);
1194        pci_restore_state(pci);
1195        if (pci_enable_device(pci) < 0) {
1196                printk(KERN_ERR "riptide: pci_enable_device failed, "
1197                       "disabling device\n");
1198                snd_card_disconnect(card);
1199                return -EIO;
1200        }
1201        pci_set_master(pci);
1202        snd_riptide_initialize(chip);
1203        snd_ac97_resume(chip->ac97);
1204        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1205        chip->in_suspend = 0;
1206        return 0;
1207}
1208#endif
1209
1210static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1211{
1212        int timeout, tries;
1213        union cmdret rptr = CMDRET_ZERO;
1214        union firmware_version firmware;
1215        int i, j, err, has_firmware;
1216
1217        if (!cif)
1218                return -EINVAL;
1219
1220        cif->cmdcnt = 0;
1221        cif->cmdtime = 0;
1222        cif->cmdtimemax = 0;
1223        cif->cmdtimemin = 0xffffffff;
1224        cif->errcnt = 0;
1225        cif->is_reset = 0;
1226
1227        tries = RESET_TRIES;
1228        has_firmware = 0;
1229        while (has_firmware == 0 && tries-- > 0) {
1230                for (i = 0; i < 2; i++) {
1231                        WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1232                        WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1233                }
1234                SET_GRESET(cif->hwport);
1235                udelay(100);
1236                UNSET_GRESET(cif->hwport);
1237                udelay(100);
1238
1239                for (timeout = 100000; --timeout; udelay(10)) {
1240                        if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1241                                break;
1242                }
1243                if (timeout == 0) {
1244                        snd_printk(KERN_ERR
1245                                   "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
1246                                   READ_AUDIO_STATUS(cif->hwport),
1247                                   IS_READY(cif->hwport), IS_GERR(cif->hwport));
1248                        return -EIO;
1249                } else {
1250                        snd_printdd
1251                            ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1252                             READ_AUDIO_STATUS(cif->hwport),
1253                             IS_READY(cif->hwport), IS_GERR(cif->hwport));
1254                }
1255
1256                SEND_GETV(cif, &rptr);
1257                for (i = 0; i < 4; i++)
1258                        firmware.ret.retwords[i] = rptr.retwords[i];
1259
1260                snd_printdd
1261                    ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1262                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1263                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1264
1265                for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1266                        has_firmware = 1;
1267                        for (i = 0; i < 4; i++) {
1268                                if (firmware_versions[j].ret.retwords[i] !=
1269                                    firmware.ret.retwords[i])
1270                                        has_firmware = 0;
1271                        }
1272                        if (has_firmware)
1273                                break;
1274                }
1275
1276                if (chip != NULL && has_firmware == 0) {
1277                        snd_printdd("Writing Firmware\n");
1278                        if (!chip->fw_entry) {
1279                                if ((err =
1280                                     request_firmware(&chip->fw_entry,
1281                                                      "riptide.hex",
1282                                                      &chip->pci->dev)) != 0) {
1283                                        snd_printk(KERN_ERR
1284                                                   "Riptide: Firmware not available %d\n",
1285                                                   err);
1286                                        return -EIO;
1287                                }
1288                        }
1289                        err = loadfirmware(cif, chip->fw_entry->data,
1290                                           chip->fw_entry->size);
1291                        if (err)
1292                                snd_printk(KERN_ERR
1293                                           "Riptide: Could not load firmware %d\n",
1294                                           err);
1295                }
1296        }
1297
1298        SEND_SACR(cif, 0, AC97_RESET);
1299        SEND_RACR(cif, AC97_RESET, &rptr);
1300        snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1301
1302        SEND_PLST(cif, 0);
1303        SEND_SLST(cif, 0);
1304        SEND_DLST(cif, 0);
1305        SEND_ALST(cif, 0);
1306        SEND_KDMA(cif);
1307
1308        writearm(cif, 0x301F8, 1, 1);
1309        writearm(cif, 0x301F4, 1, 1);
1310
1311        SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1312                  MODEM_SPLITTER, MODEM_MIXER);
1313        setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1314        alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1315
1316        SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1317                  FM_MIXER);
1318        setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1319        writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1320        writearm(cif, 0x301A8, 0x02, 0x00000002);
1321        writearm(cif, 0x30264, 0x08, 0xffffffff);
1322        alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1323
1324        SEND_SSRC(cif, I2S_INTDEC, 48000,
1325                  ((u32) I2S_RATE * 65536) / 48000,
1326                  ((u32) I2S_RATE * 65536) % 48000);
1327        SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1328                  I2S_MIXER);
1329        SEND_SI2S(cif, 1);
1330        alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1331        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1332        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1333
1334        SET_AIACK(cif->hwport);
1335        SET_AIE(cif->hwport);
1336        SET_AIACK(cif->hwport);
1337        cif->is_reset = 1;
1338        if (chip) {
1339                for (i = 0; i < 4; i++)
1340                        chip->firmware.ret.retwords[i] =
1341                            firmware.ret.retwords[i];
1342        }
1343
1344        return 0;
1345}
1346
1347static struct snd_pcm_hardware snd_riptide_playback = {
1348        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1349                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1350                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1351        .formats =
1352            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1353            | SNDRV_PCM_FMTBIT_U16_LE,
1354        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1355        .rate_min = 5500,
1356        .rate_max = 48000,
1357        .channels_min = 1,
1358        .channels_max = 2,
1359        .buffer_bytes_max = (64 * 1024),
1360        .period_bytes_min = PAGE_SIZE >> 1,
1361        .period_bytes_max = PAGE_SIZE << 8,
1362        .periods_min = 2,
1363        .periods_max = 64,
1364        .fifo_size = 0,
1365};
1366static struct snd_pcm_hardware snd_riptide_capture = {
1367        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1368                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1369                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1370        .formats =
1371            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1372            | SNDRV_PCM_FMTBIT_U16_LE,
1373        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1374        .rate_min = 5500,
1375        .rate_max = 48000,
1376        .channels_min = 1,
1377        .channels_max = 2,
1378        .buffer_bytes_max = (64 * 1024),
1379        .period_bytes_min = PAGE_SIZE >> 1,
1380        .period_bytes_max = PAGE_SIZE << 3,
1381        .periods_min = 2,
1382        .periods_max = 64,
1383        .fifo_size = 0,
1384};
1385
1386static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1387                                             *substream)
1388{
1389        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1390        struct snd_pcm_runtime *runtime = substream->runtime;
1391        struct pcmhw *data = get_pcmhwdev(substream);
1392        struct cmdif *cif = chip->cif;
1393        union cmdret rptr = CMDRET_ZERO;
1394        snd_pcm_uframes_t ret;
1395
1396        SEND_GPOS(cif, 0, data->id, &rptr);
1397        if (data->size && runtime->period_size) {
1398                snd_printdd
1399                    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1400                     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1401                     bytes_to_frames(runtime, rptr.retlongs[1]),
1402                     bytes_to_frames(runtime,
1403                                     rptr.retlongs[1]) % runtime->period_size);
1404                if (rptr.retlongs[1] > data->pointer)
1405                        ret =
1406                            bytes_to_frames(runtime,
1407                                            rptr.retlongs[1] % data->size);
1408                else
1409                        ret =
1410                            bytes_to_frames(runtime,
1411                                            data->pointer % data->size);
1412        } else {
1413                snd_printdd("stream not started or strange parms (%d %ld)\n",
1414                            data->size, runtime->period_size);
1415                ret = bytes_to_frames(runtime, 0);
1416        }
1417        return ret;
1418}
1419
1420static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1421{
1422        int i, j;
1423        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1424        struct pcmhw *data = get_pcmhwdev(substream);
1425        struct cmdif *cif = chip->cif;
1426        union cmdret rptr = CMDRET_ZERO;
1427
1428        spin_lock(&chip->lock);
1429        switch (cmd) {
1430        case SNDRV_PCM_TRIGGER_START:
1431        case SNDRV_PCM_TRIGGER_RESUME:
1432                if (!(data->state & ST_PLAY)) {
1433                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1434                        SET_AIE(cif->hwport);
1435                        data->state = ST_PLAY;
1436                        if (data->mixer != 0xff)
1437                                setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1438                        chip->openstreams++;
1439                        data->oldpos = 0;
1440                        data->pointer = 0;
1441                }
1442                break;
1443        case SNDRV_PCM_TRIGGER_STOP:
1444        case SNDRV_PCM_TRIGGER_SUSPEND:
1445                if (data->mixer != 0xff)
1446                        setmixer(cif, data->mixer, 0, 0);
1447                setmixer(cif, data->mixer, 0, 0);
1448                SEND_KSTR(cif, data->id);
1449                data->state = ST_STOP;
1450                chip->openstreams--;
1451                j = 0;
1452                do {
1453                        i = rptr.retlongs[1];
1454                        SEND_GPOS(cif, 0, data->id, &rptr);
1455                        udelay(1);
1456                } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1457                if (j >= MAX_WRITE_RETRY)
1458                        snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1459                break;
1460        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1461                if (!(data->state & ST_PAUSE)) {
1462                        SEND_PSTR(cif, data->id);
1463                        data->state |= ST_PAUSE;
1464                        chip->openstreams--;
1465                }
1466                break;
1467        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1468                if (data->state & ST_PAUSE) {
1469                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1470                        data->state &= ~ST_PAUSE;
1471                        chip->openstreams++;
1472                }
1473                break;
1474        default:
1475                spin_unlock(&chip->lock);
1476                return -EINVAL;
1477        }
1478        spin_unlock(&chip->lock);
1479        return 0;
1480}
1481
1482static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1483{
1484        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1485        struct snd_pcm_runtime *runtime = substream->runtime;
1486        struct pcmhw *data = get_pcmhwdev(substream);
1487        struct cmdif *cif = chip->cif;
1488        unsigned char *lbuspath = NULL;
1489        unsigned int rate, channels;
1490        int err = 0;
1491        snd_pcm_format_t format;
1492
1493        if (snd_BUG_ON(!cif || !data))
1494                return -EINVAL;
1495
1496        snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1497                    runtime->channels, runtime->format, runtime->rate);
1498
1499        spin_lock_irq(&chip->lock);
1500        channels = runtime->channels;
1501        format = runtime->format;
1502        rate = runtime->rate;
1503        switch (channels) {
1504        case 1:
1505                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1506                        lbuspath = data->paths.noconv;
1507                else
1508                        lbuspath = data->paths.mono;
1509                break;
1510        case 2:
1511                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1512                        lbuspath = data->paths.noconv;
1513                else
1514                        lbuspath = data->paths.stereo;
1515                break;
1516        }
1517        snd_printdd("use sgdlist at 0x%p\n",
1518                    data->sgdlist.area);
1519        if (data->sgdlist.area) {
1520                unsigned int i, j, size, pages, f, pt, period;
1521                struct sgd *c, *p = NULL;
1522
1523                size = frames_to_bytes(runtime, runtime->buffer_size);
1524                period = frames_to_bytes(runtime, runtime->period_size);
1525                f = PAGE_SIZE;
1526                while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1527                        f = f >> 1;
1528                pages = (size + f - 1) / f;
1529                data->size = size;
1530                data->pages = pages;
1531                snd_printdd
1532                    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1533                     size, pages, f, period);
1534                pt = 0;
1535                j = 0;
1536                for (i = 0; i < pages; i++) {
1537                        unsigned int ofs, addr;
1538                        c = &data->sgdbuf[i];
1539                        if (p)
1540                                p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1541                                                            (i *
1542                                                             sizeof(struct
1543                                                                    sgd)));
1544                        c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1545                        ofs = j << PAGE_SHIFT;
1546                        addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1547                        c->dwSegPtrPhys = cpu_to_le32(addr);
1548                        pt = (pt + f) % PAGE_SIZE;
1549                        if (pt == 0)
1550                                j++;
1551                        c->dwSegLen = cpu_to_le32(f);
1552                        c->dwStat_Ctl =
1553                            cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1554                                        IEOC_ENABLE);
1555                        p = c;
1556                        size -= f;
1557                }
1558                data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1559        }
1560        if (lbuspath && lbuspath != data->lbuspath) {
1561                if (data->lbuspath)
1562                        freelbuspath(cif, data->source, data->lbuspath);
1563                alloclbuspath(cif, data->source, lbuspath,
1564                              &data->mixer, data->intdec);
1565                data->lbuspath = lbuspath;
1566                data->rate = 0;
1567        }
1568        if (data->rate != rate || data->format != format ||
1569            data->channels != channels) {
1570                data->rate = rate;
1571                data->format = format;
1572                data->channels = channels;
1573                if (setsampleformat
1574                    (cif, data->mixer, data->id, channels, format)
1575                    || setsamplerate(cif, data->intdec, rate))
1576                        err = -EIO;
1577        }
1578        spin_unlock_irq(&chip->lock);
1579        return err;
1580}
1581
1582static int
1583snd_riptide_hw_params(struct snd_pcm_substream *substream,
1584                      struct snd_pcm_hw_params *hw_params)
1585{
1586        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1587        struct pcmhw *data = get_pcmhwdev(substream);
1588        struct snd_dma_buffer *sgdlist = &data->sgdlist;
1589        int err;
1590
1591        snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1592                    sgdlist->area, (unsigned long)sgdlist->addr,
1593                    (int)sgdlist->bytes);
1594        if (sgdlist->area)
1595                snd_dma_free_pages(sgdlist);
1596        if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1597                                       snd_dma_pci_data(chip->pci),
1598                                       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1599                                       sgdlist)) < 0) {
1600                snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1601                           (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1602                return err;
1603        }
1604        data->sgdbuf = (struct sgd *)sgdlist->area;
1605        return snd_pcm_lib_malloc_pages(substream,
1606                                        params_buffer_bytes(hw_params));
1607}
1608
1609static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1610{
1611        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1612        struct pcmhw *data = get_pcmhwdev(substream);
1613        struct cmdif *cif = chip->cif;
1614
1615        if (cif && data) {
1616                if (data->lbuspath)
1617                        freelbuspath(cif, data->source, data->lbuspath);
1618                data->lbuspath = NULL;
1619                data->source = 0xff;
1620                data->intdec[0] = 0xff;
1621                data->intdec[1] = 0xff;
1622
1623                if (data->sgdlist.area) {
1624                        snd_dma_free_pages(&data->sgdlist);
1625                        data->sgdlist.area = NULL;
1626                }
1627        }
1628        return snd_pcm_lib_free_pages(substream);
1629}
1630
1631static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1632{
1633        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1634        struct snd_pcm_runtime *runtime = substream->runtime;
1635        struct pcmhw *data;
1636        int sub_num = substream->number;
1637
1638        chip->playback_substream[sub_num] = substream;
1639        runtime->hw = snd_riptide_playback;
1640        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1641        data->paths = lbus_play_paths[sub_num];
1642        data->id = play_ids[sub_num];
1643        data->source = play_sources[sub_num];
1644        data->intdec[0] = 0xff;
1645        data->intdec[1] = 0xff;
1646        data->state = ST_STOP;
1647        runtime->private_data = data;
1648        return snd_pcm_hw_constraint_integer(runtime,
1649                                             SNDRV_PCM_HW_PARAM_PERIODS);
1650}
1651
1652static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1653{
1654        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1655        struct snd_pcm_runtime *runtime = substream->runtime;
1656        struct pcmhw *data;
1657
1658        chip->capture_substream = substream;
1659        runtime->hw = snd_riptide_capture;
1660        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1661        data->paths = lbus_rec_path;
1662        data->id = PADC;
1663        data->source = ACLNK2PADC;
1664        data->intdec[0] = 0xff;
1665        data->intdec[1] = 0xff;
1666        data->state = ST_STOP;
1667        runtime->private_data = data;
1668        return snd_pcm_hw_constraint_integer(runtime,
1669                                             SNDRV_PCM_HW_PARAM_PERIODS);
1670}
1671
1672static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1673{
1674        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1675        struct pcmhw *data = get_pcmhwdev(substream);
1676        int sub_num = substream->number;
1677
1678        substream->runtime->private_data = NULL;
1679        chip->playback_substream[sub_num] = NULL;
1680        kfree(data);
1681        return 0;
1682}
1683
1684static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1685{
1686        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1687        struct pcmhw *data = get_pcmhwdev(substream);
1688
1689        substream->runtime->private_data = NULL;
1690        chip->capture_substream = NULL;
1691        kfree(data);
1692        return 0;
1693}
1694
1695static struct snd_pcm_ops snd_riptide_playback_ops = {
1696        .open = snd_riptide_playback_open,
1697        .close = snd_riptide_playback_close,
1698        .ioctl = snd_pcm_lib_ioctl,
1699        .hw_params = snd_riptide_hw_params,
1700        .hw_free = snd_riptide_hw_free,
1701        .prepare = snd_riptide_prepare,
1702        .page = snd_pcm_sgbuf_ops_page,
1703        .trigger = snd_riptide_trigger,
1704        .pointer = snd_riptide_pointer,
1705};
1706static struct snd_pcm_ops snd_riptide_capture_ops = {
1707        .open = snd_riptide_capture_open,
1708        .close = snd_riptide_capture_close,
1709        .ioctl = snd_pcm_lib_ioctl,
1710        .hw_params = snd_riptide_hw_params,
1711        .hw_free = snd_riptide_hw_free,
1712        .prepare = snd_riptide_prepare,
1713        .page = snd_pcm_sgbuf_ops_page,
1714        .trigger = snd_riptide_trigger,
1715        .pointer = snd_riptide_pointer,
1716};
1717
1718static int __devinit
1719snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1720{
1721        struct snd_pcm *pcm;
1722        int err;
1723
1724        if (rpcm)
1725                *rpcm = NULL;
1726        if ((err =
1727             snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1728                         &pcm)) < 0)
1729                return err;
1730        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1731                        &snd_riptide_playback_ops);
1732        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1733                        &snd_riptide_capture_ops);
1734        pcm->private_data = chip;
1735        pcm->info_flags = 0;
1736        strcpy(pcm->name, "RIPTIDE");
1737        chip->pcm = pcm;
1738        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1739                                              snd_dma_pci_data(chip->pci),
1740                                              64 * 1024, 128 * 1024);
1741        if (rpcm)
1742                *rpcm = pcm;
1743        return 0;
1744}
1745
1746static irqreturn_t
1747snd_riptide_interrupt(int irq, void *dev_id)
1748{
1749        struct snd_riptide *chip = dev_id;
1750        struct cmdif *cif = chip->cif;
1751
1752        if (cif) {
1753                chip->received_irqs++;
1754                if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1755                    IS_EOCIRQ(cif->hwport)) {
1756                        chip->handled_irqs++;
1757                        tasklet_schedule(&chip->riptide_tq);
1758                }
1759                if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1760                        chip->handled_irqs++;
1761                        snd_mpu401_uart_interrupt(irq,
1762                                                  chip->rmidi->private_data);
1763                }
1764                SET_AIACK(cif->hwport);
1765        }
1766        return IRQ_HANDLED;
1767}
1768
1769static void
1770snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1771                        unsigned short val)
1772{
1773        struct snd_riptide *chip = ac97->private_data;
1774        struct cmdif *cif = chip->cif;
1775        union cmdret rptr = CMDRET_ZERO;
1776        int i = 0;
1777
1778        if (snd_BUG_ON(!cif))
1779                return;
1780
1781        snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1782        do {
1783                SEND_SACR(cif, val, reg);
1784                SEND_RACR(cif, reg, &rptr);
1785        } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1786        if (i == MAX_WRITE_RETRY)
1787                snd_printdd("Write AC97 reg failed\n");
1788}
1789
1790static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1791                                             unsigned short reg)
1792{
1793        struct snd_riptide *chip = ac97->private_data;
1794        struct cmdif *cif = chip->cif;
1795        union cmdret rptr = CMDRET_ZERO;
1796
1797        if (snd_BUG_ON(!cif))
1798                return 0;
1799
1800        if (SEND_RACR(cif, reg, &rptr) != 0)
1801                SEND_RACR(cif, reg, &rptr);
1802        snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1803        return rptr.retwords[1];
1804}
1805
1806static int snd_riptide_initialize(struct snd_riptide *chip)
1807{
1808        struct cmdif *cif;
1809        unsigned int device_id;
1810        int err;
1811
1812        if (snd_BUG_ON(!chip))
1813                return -EINVAL;
1814
1815        cif = chip->cif;
1816        if (!cif) {
1817                if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1818                        return -ENOMEM;
1819                cif->hwport = (struct riptideport *)chip->port;
1820                spin_lock_init(&cif->lock);
1821                chip->cif = cif;
1822        }
1823        cif->is_reset = 0;
1824        if ((err = riptide_reset(cif, chip)) != 0)
1825                return err;
1826        device_id = chip->device_id;
1827        switch (device_id) {
1828        case 0x4310:
1829        case 0x4320:
1830        case 0x4330:
1831                snd_printdd("Modem enable?\n");
1832                SEND_SETDPLL(cif);
1833                break;
1834        }
1835        snd_printdd("Enabling MPU IRQs\n");
1836        if (chip->rmidi)
1837                SET_EMPUIRQ(cif->hwport);
1838        return err;
1839}
1840
1841static int snd_riptide_free(struct snd_riptide *chip)
1842{
1843        struct cmdif *cif;
1844
1845        if (!chip)
1846                return 0;
1847
1848        if ((cif = chip->cif)) {
1849                SET_GRESET(cif->hwport);
1850                udelay(100);
1851                UNSET_GRESET(cif->hwport);
1852                kfree(chip->cif);
1853        }
1854        if (chip->irq >= 0)
1855                free_irq(chip->irq, chip);
1856        if (chip->fw_entry)
1857                release_firmware(chip->fw_entry);
1858        release_and_free_resource(chip->res_port);
1859        kfree(chip);
1860        return 0;
1861}
1862
1863static int snd_riptide_dev_free(struct snd_device *device)
1864{
1865        struct snd_riptide *chip = device->device_data;
1866
1867        return snd_riptide_free(chip);
1868}
1869
1870static int __devinit
1871snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1872                   struct snd_riptide **rchip)
1873{
1874        struct snd_riptide *chip;
1875        struct riptideport *hwport;
1876        int err;
1877        static struct snd_device_ops ops = {
1878                .dev_free = snd_riptide_dev_free,
1879        };
1880
1881        *rchip = NULL;
1882        if ((err = pci_enable_device(pci)) < 0)
1883                return err;
1884        if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1885                return -ENOMEM;
1886
1887        spin_lock_init(&chip->lock);
1888        chip->card = card;
1889        chip->pci = pci;
1890        chip->irq = -1;
1891        chip->openstreams = 0;
1892        chip->port = pci_resource_start(pci, 0);
1893        chip->received_irqs = 0;
1894        chip->handled_irqs = 0;
1895        chip->cif = NULL;
1896        tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1897
1898        if ((chip->res_port =
1899             request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1900                snd_printk(KERN_ERR
1901                           "Riptide: unable to grab region 0x%lx-0x%lx\n",
1902                           chip->port, chip->port + 64 - 1);
1903                snd_riptide_free(chip);
1904                return -EBUSY;
1905        }
1906        hwport = (struct riptideport *)chip->port;
1907        UNSET_AIE(hwport);
1908
1909        if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1910                        "RIPTIDE", chip)) {
1911                snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1912                           pci->irq);
1913                snd_riptide_free(chip);
1914                return -EBUSY;
1915        }
1916        chip->irq = pci->irq;
1917        chip->device_id = pci->device;
1918        pci_set_master(pci);
1919        if ((err = snd_riptide_initialize(chip)) < 0) {
1920                snd_riptide_free(chip);
1921                return err;
1922        }
1923
1924        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1925                snd_riptide_free(chip);
1926                return err;
1927        }
1928
1929        snd_card_set_dev(card, &pci->dev);
1930
1931        *rchip = chip;
1932        return 0;
1933}
1934
1935static void
1936snd_riptide_proc_read(struct snd_info_entry *entry,
1937                      struct snd_info_buffer *buffer)
1938{
1939        struct snd_riptide *chip = entry->private_data;
1940        struct pcmhw *data;
1941        int i;
1942        struct cmdif *cif = NULL;
1943        unsigned char p[256];
1944        unsigned short rval = 0, lval = 0;
1945        unsigned int rate;
1946
1947        if (!chip)
1948                return;
1949
1950        snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1951        snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1952                    chip->device_id, chip->handled_irqs, chip->received_irqs);
1953        for (i = 0; i < 64; i += 4)
1954                snd_iprintf(buffer, "%c%02x: %08x",
1955                            (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1956        if ((cif = chip->cif)) {
1957                snd_iprintf(buffer,
1958                            "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1959                            chip->firmware.firmware.ASIC,
1960                            chip->firmware.firmware.CODEC,
1961                            chip->firmware.firmware.AUXDSP,
1962                            chip->firmware.firmware.PROG);
1963                snd_iprintf(buffer, "\nDigital mixer:");
1964                for (i = 0; i < 12; i++) {
1965                        getmixer(cif, i, &rval, &lval);
1966                        snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1967                }
1968                snd_iprintf(buffer,
1969                            "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1970                            cif->cmdcnt, cif->errcnt,
1971                            cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1972        }
1973        snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1974        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1975                if (chip->playback_substream[i]
1976                    && chip->playback_substream[i]->runtime
1977                    && (data =
1978                        chip->playback_substream[i]->runtime->private_data)) {
1979                        snd_iprintf(buffer,
1980                                    "stream: %d mixer: %d source: %d (%d,%d)\n",
1981                                    data->id, data->mixer, data->source,
1982                                    data->intdec[0], data->intdec[1]);
1983                        if (!(getsamplerate(cif, data->intdec, &rate)))
1984                                snd_iprintf(buffer, "rate: %d\n", rate);
1985                }
1986        }
1987        if (chip->capture_substream
1988            && chip->capture_substream->runtime
1989            && (data = chip->capture_substream->runtime->private_data)) {
1990                snd_iprintf(buffer,
1991                            "stream: %d mixer: %d source: %d (%d,%d)\n",
1992                            data->id, data->mixer,
1993                            data->source, data->intdec[0], data->intdec[1]);
1994                if (!(getsamplerate(cif, data->intdec, &rate)))
1995                        snd_iprintf(buffer, "rate: %d\n", rate);
1996        }
1997        snd_iprintf(buffer, "Paths:\n");
1998        i = getpaths(cif, p);
1999        while (i--) {
2000                snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
2001                i--;
2002        }
2003        snd_iprintf(buffer, "\n");
2004}
2005
2006static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
2007{
2008        struct snd_info_entry *entry;
2009
2010        if (!snd_card_proc_new(chip->card, "riptide", &entry))
2011                snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2012}
2013
2014static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2015{
2016        struct snd_ac97_bus *pbus;
2017        struct snd_ac97_template ac97;
2018        int err = 0;
2019        static struct snd_ac97_bus_ops ops = {
2020                .write = snd_riptide_codec_write,
2021                .read = snd_riptide_codec_read,
2022        };
2023
2024        memset(&ac97, 0, sizeof(ac97));
2025        ac97.private_data = chip;
2026        ac97.scaps = AC97_SCAP_SKIP_MODEM;
2027
2028        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2029                return err;
2030
2031        chip->ac97_bus = pbus;
2032        ac97.pci = chip->pci;
2033        if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2034                return err;
2035        return err;
2036}
2037
2038#ifdef SUPPORT_JOYSTICK
2039static int have_joystick;
2040static struct pci_dev *riptide_gameport_pci;
2041static struct gameport *riptide_gameport;
2042
2043static int __devinit
2044snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2045{
2046        static int dev;
2047
2048        if (dev >= SNDRV_CARDS)
2049                return -ENODEV;
2050        if (!enable[dev]) {
2051                dev++;
2052                return -ENOENT;
2053        }
2054
2055        if (joystick_port[dev]) {
2056                riptide_gameport = gameport_allocate_port();
2057                if (riptide_gameport) {
2058                        if (!request_region
2059                            (joystick_port[dev], 8, "Riptide gameport")) {
2060                                snd_printk(KERN_WARNING
2061                                           "Riptide: cannot grab gameport 0x%x\n",
2062                                           joystick_port[dev]);
2063                                gameport_free_port(riptide_gameport);
2064                                riptide_gameport = NULL;
2065                        } else {
2066                                riptide_gameport_pci = pci;
2067                                riptide_gameport->io = joystick_port[dev];
2068                                gameport_register_port(riptide_gameport);
2069                        }
2070                }
2071        }
2072        dev++;
2073        return 0;
2074}
2075
2076static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2077{
2078        if (riptide_gameport) {
2079                if (riptide_gameport_pci == pci) {
2080                        release_region(riptide_gameport->io, 8);
2081                        riptide_gameport_pci = NULL;
2082                        gameport_unregister_port(riptide_gameport);
2083                        riptide_gameport = NULL;
2084                }
2085        }
2086}
2087#endif
2088
2089static int __devinit
2090snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2091{
2092        static int dev;
2093        struct snd_card *card;
2094        struct snd_riptide *chip;
2095        unsigned short addr;
2096        int err = 0;
2097
2098        if (dev >= SNDRV_CARDS)
2099                return -ENODEV;
2100        if (!enable[dev]) {
2101                dev++;
2102                return -ENOENT;
2103        }
2104
2105        card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2106        if (card == NULL)
2107                return -ENOMEM;
2108        if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2109                snd_card_free(card);
2110                return err;
2111        }
2112        card->private_data = chip;
2113        if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2114                snd_card_free(card);
2115                return err;
2116        }
2117        if ((err = snd_riptide_mixer(chip)) < 0) {
2118                snd_card_free(card);
2119                return err;
2120        }
2121        pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2122                              | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2123#ifdef SUPPORT_JOYSTICK
2124                              | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2125                                 0)
2126#endif
2127                              | (mpu_port[dev]
2128                                 ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2129                                 0)
2130                              | ((chip->irq << 4) & 0xF0));
2131        if ((addr = mpu_port[dev]) != 0) {
2132                pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2133                if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2134                                               addr, 0, chip->irq, 0,
2135                                               &chip->rmidi)) < 0)
2136                        snd_printk(KERN_WARNING
2137                                   "Riptide: Can't Allocate MPU at 0x%x\n",
2138                                   addr);
2139                else
2140                        chip->mpuaddr = addr;
2141        }
2142        if ((addr = opl3_port[dev]) != 0) {
2143                pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2144                if ((err = snd_opl3_create(card, addr, addr + 2,
2145                                           OPL3_HW_RIPTIDE, 0,
2146                                           &chip->opl3)) < 0)
2147                        snd_printk(KERN_WARNING
2148                                   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2149                                   addr);
2150                else {
2151                        chip->opladdr = addr;
2152                        if ((err =
2153                             snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2154                                snd_printk(KERN_WARNING
2155                                           "Riptide: Can't Allocate OPL3-HWDEP\n");
2156                }
2157        }
2158#ifdef SUPPORT_JOYSTICK
2159        if ((addr = joystick_port[dev]) != 0) {
2160                pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2161                chip->gameaddr = addr;
2162        }
2163#endif
2164
2165        strcpy(card->driver, "RIPTIDE");
2166        strcpy(card->shortname, "Riptide");
2167#ifdef SUPPORT_JOYSTICK
2168        snprintf(card->longname, sizeof(card->longname),
2169                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2170                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2171                 chip->opladdr, chip->gameaddr);
2172#else
2173        snprintf(card->longname, sizeof(card->longname),
2174                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2175                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2176                 chip->opladdr);
2177#endif
2178        snd_riptide_proc_init(chip);
2179        if ((err = snd_card_register(card)) < 0) {
2180                snd_card_free(card);
2181                return err;
2182        }
2183        pci_set_drvdata(pci, card);
2184        dev++;
2185        return 0;
2186}
2187
2188static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2189{
2190        snd_card_free(pci_get_drvdata(pci));
2191        pci_set_drvdata(pci, NULL);
2192}
2193
2194static struct pci_driver driver = {
2195        .name = "RIPTIDE",
2196        .id_table = snd_riptide_ids,
2197        .probe = snd_card_riptide_probe,
2198        .remove = __devexit_p(snd_card_riptide_remove),
2199#ifdef CONFIG_PM
2200        .suspend = riptide_suspend,
2201        .resume = riptide_resume,
2202#endif
2203};
2204
2205#ifdef SUPPORT_JOYSTICK
2206static struct pci_driver joystick_driver = {
2207        .name = "Riptide Joystick",
2208        .id_table = snd_riptide_joystick_ids,
2209        .probe = snd_riptide_joystick_probe,
2210        .remove = __devexit_p(snd_riptide_joystick_remove),
2211};
2212#endif
2213
2214static int __init alsa_card_riptide_init(void)
2215{
2216        int err;
2217        if ((err = pci_register_driver(&driver)) < 0)
2218                return err;
2219#if defined(SUPPORT_JOYSTICK)
2220        if (pci_register_driver(&joystick_driver) < 0) {
2221                have_joystick = 0;
2222                snd_printk(KERN_INFO "no joystick found\n");
2223        } else
2224                have_joystick = 1;
2225#endif
2226        return 0;
2227}
2228
2229static void __exit alsa_card_riptide_exit(void)
2230{
2231        pci_unregister_driver(&driver);
2232#if defined(SUPPORT_JOYSTICK)
2233        if (have_joystick)
2234                pci_unregister_driver(&joystick_driver);
2235#endif
2236}
2237
2238module_init(alsa_card_riptide_init);
2239module_exit(alsa_card_riptide_exit);
2240